Sum of the elements

Given N distinct elements. You have to distribute these elements in two parts such that the sum of elements that each part receives must be greater than K$.$

Find out the number of ways in which you can distribute the elements so that the mentioned condition holds true. Since the answer can be large, print it in

modulo $10\backslash$deg $+7.$

Function description

Complete the solve function. This function takes the following $3$ parameters and returns the answer:

$$ K$.$ Represents the given integer value

$$ arr. Represents the elements of the array

$$ N$.$ Represents the size of the array arr

Input format for custom testing